Our History

Established in early 2012, JS Builders is an Open Shop General Construction Company based in the Bay Area. Our founding goal was to build high-quality projects at a competitive price. Over the years, we have developed a strong reputation for delivering high-quality construction services tailored to the needs of our clients. One key aspect that sets us apart is our partnership with Obayashi-Corporation. In late 2012, we brought Obayashi on board as a partner, which further strengthened our capabilities and expertise. Our close relationship with Obayashi-Corporation allows us to leverage their extensive industry experience and resources to deliver exceptional results to our clients. At JS Builders, our target audience primarily includes Multi-Family Developers/Owners, Architects, and Senior Family Communities. We understand the unique requirements and challenges that these clients face, and we are dedicated to providing them with comprehensive construction solutions. We offer a full range of services as a General Contractor, including Design Build MEP/FS Systems, Pre-Construction Services, Value Engineering, Plan Check Services, Detailed Cost Estimates, and CMP Schedules using Suretrack. Our team of experienced professionals ensures that every aspect of the project is meticulously planned, managed, and executed to meet our clients' expectations. In addition to our partnership with Obayashi-Corporation, we have built strong relationships with sister companies such as Webcor Concrete, James E Roberts-Obayashi Corp, EW Howell, Kenaidan Corporation, and Kraemer North America. These collaborations allow us to tap into a vast network of expertise and resources, further enhancing our ability to complete projects of any scale or complexity. JS Builders is committed to delivering exceptional construction services, surpassing client expectations, and building long-lasting relationships.

Core Values


We prioritize transparent and truthful communication with our clients, subcontractors, suppliers, and team members. We believe in fostering trust and ensuring that all parties involved are well-informed throughout the construction process.


We conduct ourselves with the highest level of professionalism, adhering to ethical standards and principles. Our commitment to integrity is reflected in every decision we make and every action we take. We take pride in delivering on our promises and ensuring that our work is of the highest quality.


We value the relationships we build with our clients, subcontractors, and other stakeholders. We understand that successful projects are built on collaboration and effective communication. By forging strong partnerships, we are able to better understand our clients’ needs and deliver tailored solutions that exceed expectations.

Hard Work

Our team is dedicated to putting in the hard work required to deliver exceptional results in every multi-family residential construction project. We believe in going above and beyond to ensure that each project is completed on time, within budget, and to the highest standards of quality.

JS Builders prides ourselves in our relationships with owners. Our team concept is building high-value projects on time and under budget.

—Joe Stamates


Meet Our Team

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